I've used the Melitta 1-cup drip cone for the office with the heated bottled water dispenser.
I was given some k-cups. I used them, um, the contents that is, in my French Press
For that one quick cup before church on Sunday, I like:
Basically ground coffee in a tea bag, each bag in a sealed pouch.
Ah a French press—the only damned thing they ever invented that is so good for coffee. Use it every morning for my 2 cups of Folger’s Columbian.